{
  "manageEntity": {
    "action": "Update",
    "entityId": "806407908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierannfh5vqghu6def355l3ynd2wwvx7ddq74o4ssfeu3mqjhpi6ugqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2114901978},{\"type\":\"playlist\",\"playlist_id\":252647045}]}}}",
    "nonce": "0x39d7bc5ed6b36fcbb6e23ad692829cb6b988c406bf413bf166a4bd3803a72cab",
    "signature": "0xeab0944367c3373f23e0ead9f61a69b2d8b322f7a52b9d4a6f0e5d0995d2de3b3f4cbe75eb8f80ed78309c7131fa6601180db2d9d173f6762e88b0a8429e186d1b",
    "signer": "0x60f5fBF794ac4778042379f64f19f0E92795Be73",
    "userId": "806407908"
  }
}